22749827 has 2 divisors, whose sum is σ = 22749828. Its totient is φ = 22749826.

The previous prime is 22749803. The next prime is 22749841. The reversal of 22749827 is 72894722.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 22749827 - 2¹⁸ = 22487683 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (22749847) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11374913 + 11374914.

It is an arithmetic number, because the mean of its divisors is an integer number (11374914).

Almost surely, 2^22749827 is an apocalyptic number.

22749827 is a deficient number, since it is larger than the sum of its proper divisors (1).

22749827 is an equidigital number, since it uses as much as digits as its factorization.

22749827 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 112896, while the sum is 41.

The square root of 22749827 is about 4769.6778717226. The cubic root of 22749827 is about 283.3518371614.

The spelling of 22749827 in words is "twenty-two million, seven hundred forty-nine thousand, eight hundred twenty-seven".